Laser working apparatus, laser working method, method for producing ink jet recording head utilizing such laser working apparatus or method, and ink jet recording head formed by such producing method
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United States of America Patent
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Jun 8, 2004
Grant Date -
N/A
app pub date -
Nov 28, 2000
filing date -
Nov 30, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention provides a laser working apparatus for effecting optical ablation working by irradiating a work article with laser light from a laser oscillator capable of continuous emission of light pulses of a large energy density in space and in time, with a pulse emission time not exceeding 1 picosecond, wherein control means for controlling the irradiation of the laser light is provided in a position not affecting the temperature control of the laser oscillating portion and a configuration is provided for controlling the irradiation of the laser light continuously emitted from the laser oscillator by the control means thereby effecting optical ablation working on the work article.
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